Home / 18,765.91-25,882.53-13,098.85

Finding the Fourth Proportional to 18,765.91, 25,882.53 and 13,098.85

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Solution

The fourth proportional to 18,765.91, 25,882.53 and 13,098.85 is: 18,066.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,765.91 : 25,882.53 = 13,098.85 : x
  2. Step 2: Convert to fraction form
    18,765.91/25,882.53 = 13,098.85/x
  3. Step 3: Cross multiply
    18,765.91x = 25,882.53 × 13,098.85
  4. Step 4: Simplify right side
    18,765.91x = 339,031,378.09
  5. Step 5: Solve for x
    x = 339,031,378.09/18,765.91
  6. Step 6: Final answer
    x = 18,066.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.